public IActionResult RefreshToken(string refToken) { if (!_service.CheckToken(refToken)) { return(Ok("No such token")); } var newToken = CreateToken(); var newRefToken = Guid.NewGuid(); _service.ChangeToken(refToken, newRefToken.ToString()); return(Ok(new { token = new JwtSecurityTokenHandler().WriteToken(newToken), refreshToken = newRefToken })); }